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Finding the Fourth Proportional to 3,800.63, 5,244.86 and 2,144.63

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Solution

The fourth proportional to 3,800.63, 5,244.86 and 2,144.63 is: 2,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.63 : 5,244.86 = 2,144.63 : x
  2. Step 2: Convert to fraction form
    3,800.63/5,244.86 = 2,144.63/x
  3. Step 3: Cross multiply
    3,800.63x = 5,244.86 × 2,144.63
  4. Step 4: Simplify right side
    3,800.63x = 11,248,263.24
  5. Step 5: Solve for x
    x = 11,248,263.24/3,800.63
  6. Step 6: Final answer
    x = 2,959.58

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.